12
Q:

# The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is:

 A) 276 B) 299 C) 322 D) 345

Explanation:

Clearly, the numbers are (23 x 13) and (23 x 14).

Larger number = (23 x 14) = 322.

Q:

Reflection of the point (2,-4) in the origin is

 A) (2,4) B) (-2,-4) C) (2,-4) D) (-2,4)

Explanation:

1 74
Q:

By increasing the price of entry ticket to a fair in the ratio 5:7, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?

 A) increased in the ratio 55:63 B) decreased in the ratio 63:55 C) increased in the ratio 45:77 D) decreased in the ratio 77:45

Explanation:

0 75
Q:

Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?

 A) 90 B) 45 C) 60 D) 75

Explanation:

0 67
Q:

What smallest number should be added to 2401 so that the sum is completely divisible by 14 ?

 A) 8 B) 7 C) 4 D) 5

Explanation:

1 129
Q:

What is the altitude of an equilateral triangle whose side is 12 cm?

 A) 6√3 cm B) 3√3 cm C) 6√2 cm D) 4√2 cm

Explanation:

0 120
Q:

If , then what is the value of?

 A) 1 B) 4 C) 2 D) 3

Explanation:

1 156
Q:

If x + (1/x) = (√3 + 1)/2, then what is the value of ?

 A) (4√3 – 1)/4 B) (4√3 + 1)/2 C) (–4√3 – 1)/4 D) (–4√3 – 1)/2

Explanation:

0 157
Q:

What is the value of √121 + √12321 + √1234321 + √123454321?

 A) 12345 B) 123456 C) 12344 D) 123454