If the product of two positive numbers is 1575 and their ratio is 7 : 9, then the greater number is
45
35
135
135
Find the sum of all positive multiples of 3 less than 50
400
404
408
408
C.
408
Sum of all mutiples of 3 upto 50
= 3 + 6 + ........+ 48
= 3 (1 + 2 + 3 + 4 + .......16)
What is the smallest number by which 625 must be divided so that the quotient is a perfect cube?
25
5
2
2
When 335 is added to 5A7, the result is 8B2. 8B2 is divisible by 3. What is the largest possible value of A?
8
2
1
1
The sum of the squares of two natural consecutive odd numbers is 394. The sum of the numbers is
24
32
40
40