28
Q:

# The denominator of a fraction is 3 more than the numerator. If the numerator as well as the denominator is increased by 4, the fraction becomes 4/5. What was the original fraction ?

 A) 7/11 B) 8/11 C) 9/11 D) 10/11

Explanation:

Let the numerator be x Then, denominator =  x + 3.

Now. (x + 4)/(x + 3) +4 = 4/5  <=> 5 (x + 4) =  4(x + 7)

=>  x = 8.

The fraction is  8/11.

Q:

If a 10-digit number 7220x558y2 is divisible by 88, then the value of (5x + 5y) can be :

 A) 35 B) 25 C) 15 D) 10

Explanation:

0 597
Q:

If a 10-digit number 1230x558y2 is divisible by 88, then the value of (5x + 5y) is:

 A) 40 B) 20 C) 50 D) 30

Explanation:

1 1680
Q:

If an 8-digit number 30x558y2 is divisible by 88, then the value of (6x +6y) is:

 A) 30 B) 35 C) 42 D) 66

Explanation:

0 1622
Q:

If the seven digit number 54x29y6 (x > y)is divisible by 72, what is the value of (2x + 3y)?

 A) 38 B) 13 C) 32 D) 23

Explanation:

0 3892
Q:

Which among the following numbers is exactly divisible by 7, 11 and 13 ?

 A) 14982 B) 15004 C) 14993 D) 15015

Explanation:

0 11194
Q:

Which among the following numbersis exactly divisible by 11, 13 and 7?

(a) 624613

(b) 624624

(c) 624635

(d) 624646

 A) (b) B) (c) C) (a) D) (d)

Explanation:

0 6639
Q:

The ten-digit number 2x600000y8 is exactly divisible by 24. If x ≠ 0 and y ≠ 0, then the least value of (x + y) is equal to:

 A) 5 B) 8 C) 9 D) 2

Explanation:

0 305
Q:

The 10-digit number 79x00001y6 is exactly divisible by 88. What is the value of (x + 3)?

 A) 5 B) 9 C) 6 D) 7