• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Number System

Number System
The number of prime factors of (6)10×(7)17×(55)27

61
91
101
41

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

91

Number System
Sum of the digits number is 8 and their product is 12. Find the difference between the digits?

2
6
None
4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x + y = 8xy = 12(x – y)2 = (x + y)2 – 4xy (x – y)2 = 64 – 48 => (x – y) = 4

Number System
Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is:

5
6
10
4

ANSWER DOWNLOAD EXAMIANS APP

Number System
The sum of the numbers is 264. If the first number be twice the second and third number be one-third of the first, then the second number is:

54
84
48
72

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the second number be x. Then, first number = 2x and third number = 2x/3.2x + x + 2x/3 = 26411x/3 = 264x = 72

Number System
If 272/3 × 81-1/2 = 3x, the value of x is

1
2
3
0

ANSWER DOWNLOAD EXAMIANS APP

Number System
7.8% of 12.5 + 2.5% of 161 = ?

9
12
2
5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

7.8 x 12.5/100 + 2.5 x 161/100= 0.975 + 4.025= 5

MORE MCQ ON Number System

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑