Question
Four number-pairs have been given, out of which three
are alike in some manner and one is different. Select the number-pair that is different.Solution
1) 49 – 23 = (4 X 9) - (4 + 9) = 36 – 13 = 23 2) 76 – 38 = (7 X 6) - (3 + 8) = 42 – 11 = 31 3) 67 – 29 = (6 X 7) - (6 + 7) = 42 - 13 = 29 4) 39 – 15 = (3 X 9) - (3 + 9) = 27 - 12 = 15
Find the smallest number that when divided by 6, 8, and 15 leaves a remainder of 5 in each case.
If 94*6714 is divisible by 11, where * is a digit, then * is equal to
Find the median of 2, 4, 6, 6, 7, 9, 14, 12 and 13.
Suppose, (√(5a+9) )+ (√(5a-9)) = 3(2+√2), then √(10a+9) will be equal to?
- What quantity must be subtracted from (11/16) to get (3/8)?
Find the smallest natural number which when divided by 3 leaves remainder 1, when divided by 4 leaves remainder 2, and when divided by 5 leaves remainde...
How many 4-digit numbers greater than 3000 can be formed using the digits 1, 2, 3, 4, 5 without repetition?
The total of five back-to-back even numbers is 150. What’s the value of (cube of the least) – (square of the greatest)?
- 60% of 'X' is (3/2) of 'Y'. Find the ratio X:Y, assuming X and Y are co-prime.
Find the smallest 3‑digit number which is exactly divisible by both 12 and 15.
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