Testbook Logo
Exams SuperCoaching Test Series Skill Academy
More
English
Hindi
Malayalam

Question

Download Solution PDF

251/4 × 251/4 = ?

This question was previously asked in
Kerala PSC Civil Excise Officier Women PYP 2018
Attempt Online
View all Kerala PSC Civil Excise Officer Papers >
  1. 25
  2. 1
  3. 50
  4. 5

Answer (Detailed Solution Below)

Option 4 : 5
Free Tests
View all Free tests >
Free
Kerala PSC Civil Excise Officer (Full Syllabus) Mega Live Test
0.1 K Users
50 Questions 50 Marks 45 Mins
Start Now

Detailed Solution

Download Solution PDF

Given:

251/4 × 251/4 = ?

Formula Used:

am × an = am+n

Calculation:

251/4 × 251/4 = 25(1/4 + 1/4)

⇒ 25(2/4)

⇒ 251/2 

⇒ √25

⇒ 5

∴ The correct answer is option 4.

Download Solution PDF
Latest Kerala PSC Civil Excise Officer Updates

Last updated on Apr 10, 2025

-> The Kerala PSC Civil Excise Officer Notification 2025 has bee released (Advt No. 743/2024). 

-> Interested candidates can apply online from 31st December 2024 to 29th January 2025.

-> The selection process for the Kerala PSC Civil Excise Officer Recruitment will include an endurance test, followed by physical efficiency test (PET), medical exam, and written test (if applicable).

-> Selected candidates will receive Kerala PSC Civil Excise Officer salary in pay-scale of Rs. 27900 – 63700.

‹‹ Previous Ques
Next Ques ››

More Surds and Indices Questions

Q1.Simplify: \({625^{0.17}} \times {625^{0.08}} = {25^?} \times {25^{ - \frac{3}{2}}}\)
Q2.Evaluate:
Q3.Find the simplest form. \(\frac{\left(a^7 × b^3 × c^3\right)}{\left(a^{10} × b^3 × c^4\right)}\)
Q4.Simplify \(\frac{\left(4^{3} \times 5^{4} \times 3^{5}\right)}{\left(4^{1} \times 5^{1} \times 3^{1}\right)}\)
Q5.Find the value of \(\left[\left(\frac{7}{6}\right)^{-9}\times \left(\frac{6}{7}\right)^{-5}\times \left(\frac{1}{8}\right)^{-4}\right]^{-5}\)
Q6. Find the value of \( \left(\frac{1}{7}\right)^{-4} + \left(\frac{1}{9}\right)^{-4} + \left(\frac{1}{5}\right)^{-4} \)
Q7.(19)¹² × (19)⁸ ÷ (19)⁴ = (19)?
Q8.Evaluate (27)2/3 ?
Q9.95.9753.5 ÷ 16.0013.5 × 6.0021.5 ÷ 35.992 = ?
Q10.Find the value of \(\sqrt{6+\sqrt{6+\sqrt{6+\sqrt{6+\sqrt{6+...}}}}}=?\)

More Simplification Questions

Q1.Simplify: \({625^{0.17}} \times {625^{0.08}} = {25^?} \times {25^{ - \frac{3}{2}}}\)
Q2.If 395 × x = 2765, then x is -
Q3.What appro×imate value should come in the place of ‘?’ in the following questions. 345.5 + 125 + 112 - 34 = ?
Q4.What appro×imate value should come in the place of ‘?’ in the following questions. \((?)^3+ (600) = 725\)
Q5.What appro×imate value should come in the place of ‘?’ in the following questions. 12.5 + 155.5 + 120 - 130 = 125 + ? 
Q6.What appro×imate value should come in the place of ‘?’ in the following questions. ? × 12 × 3/4 + 120 = 786
Q7.What appro×imate value should come in the place of ‘?’ in the following questions. 2252 + 1176 + ? + 75 = 3503
Q8.What appro×imate value should come in the place of ‘?’ in the following questions. \({(18\times?)}\div120 \times60 + 48 = 54\)
Q9.What appro×imate value should come in the place of ‘?’ in the following questions. 17/8 × ?/51 × 4/9 = 20/27
Q10.What appro×imate value should come in the place of ‘?’ in the following questions. 72 × 105 ÷ ? + 63 = 567 
Suggested Test Series
View All >
Kerala (കേരളം) PSC KAS Prelims Test Series 2025
256 Total Tests with 4 Free Tests
Start Free Test
Kerala PSC Degree (Common Preliminary Examination) Mock Test Series 2025
137 Total Tests with   1 Free Tests
Start Free Test

More Quantitative Aptitude Questions

Q1.Perimeter of a rectangular field is equal to the perimeter of a triangular field whose sides are in the ratio 3:2:4 respectively. lf area of rectangular field is 500 m2 and sides are in the ratio 5:4 respectively, then calculate the longer side of the triangular field.
Q2.A cistern has an inlet pipe and an outlet pipe. Inlet pipe can fill three-fourth of the cistern in 24 minutes while outlet pipe can empty the one-third filled cistern in 16 minutes. If both the pipes are opened together, then the cistern will be completely filled in-
Q3.In a family, three sons were born for every 3 years one after the other. If the ratio of present ages of father and the eldest son is 15:7 and the average of the present ages of the 3 sons is 18 years. What will be the ratio of the ages of the father and the youngest son after 5 years?
Q4.Train A of length 80m while moving crosses a pole in 16 seconds. lf it is known that the lengths of train B and train A is in the ratio of 3:1, then how long would it take train B to cross a platform which is half the length of train A if the speed of train B is same as that of train A?
Q5.Can A and Can B contain a mixture of soda and water in the ratio of 5 : 3 and 7 : 2 respectively If soda and water are taken out in the ratio of P : Q from can A and B respectively to form a new mixture in which the ratio of soda and water is 12 : 5 respectively, then find the value Of P:Q?
Q6.A boat can covers a certain distance in upstream and same distance in downstream in total of 7 hours 48 minutes, If upstream speed of the boat is 62.5%. of downstream speed of the boat and speed of the stream is 3 km/h, what is the total distance covered by the boat?
Q7.M and R went for shopping and bought two sarees each at different cost. Cost price of saree bought by R is Rs.250 more than the cost price of saree bought by M. Shopkeeper earned a profit of 20% on selling both the sarees together to R and M which he bought them at total Rs.6000. At what cost did M buy saree?
Q8.There are three numbers m, n, and p, such that sum of m and n is 144, sum of thrice of n and five times of p is 464, and sum of p and m is 160, then what is the value of p?
Q9.While calculating average marks of 60 students, the two digits of original marks of a student are written reversed and thereby average of marks is increased by 0.6 Find the difference between the two digits of marks of the student?  
Q10.Simple interest received on a certain sum at a rate of simple interest of 5% for 2 years is Rs.780. If the rate of interest remains same, what will be the total amount at the time of withdrawal at the end of 5 years.  
Exams
Test Series
SuperCoaching
Previous Year Papers
Latest Updates
MCQ Questions
Testbook Products & Resources for Students
Testbook USA
Books
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
[email protected]
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Our Apps
Follow us on
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Get Free Access Now
Hot Links： teen patti master gold dhani teen patti teen patti glory teen patti online game