Question
A number is increased by 20% then reduced by 20%. If final value is 144, find original number.
More No. System Questions
- In a division sum, the divisor is 12 times the quotient and also 5 times of the remainder. If the remainder is 48, then the dividend is:
- Find the least number that should be added to 1240 so that it is exactly divisible by 65.
- Three numbers are in the ratio 2:5:7. If the difference between the sum of the smallest and the largest number and the sum of the smallest and the second l...
- If the 5-digit number 535ab is divisible by 3, 7 and 11, then what is the value of (a²-b² + ab)?
- There are four prime numbers A, B, C and D (A < B < C < D). Only A and B are consecutive prime numbers. Sum of A and B is not divisible by 2. LCM of B, C a...
- How many values can 'x' take if the number 7531xk must be divisible by 15 for any valid digit 'k'?
- What will be the number of factors of 1707552?
- Find the value of 6 + 66 + 666 + 6666 +hellip;hellip;hellip;hellip;.. + n terms. 1. `(2)/(3) ((10 xx (10^(n)- 1))/9 - n)` 2. `(2)/(3) ((10 xx (10^(n)- 1)...
- Evaluate 2.5 ÷ 0.0005.
- What quantity must be subtracted from (11/16) to get (3/8)?
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt