General Ability MCQS Set 8

Number Series Test

0.9

0.14

0.6

0.7

An alloy contains copper and zinc in the ratio 7 3. If the alloy contains 10.5 kg zinc then the quantity of copper in the alloy is

31.5 kg

17.35 kg

24.5 kg

28.2 kg

The H.C.F. of 2923 and 3239 is

73

79

47

37

If an alloy contains copper and silver in the ratio 3 7 then the percentage quantity of silver in the alloy is

90%

60%

70%

None of these

If x? N then solution set of |2x| = 4 is

None of these

x =±2

x = -2

x = 2

(11)²-(4)²x2 / 4×2 = ?

1 1/4

121

111

11 1/8

(32 ÷ .0008) is equal to

400

None of these

40

4000

Find the greatest number of four digits which must be added to 5231 so that the final number becomes exactly divisible by 12 15 27 32 and 40.

7929

9729

7829

7729

A man spent 15/16 of his fortune in buying a car for $7500. How much money did he possess ?

$7000

$ 8500

$6500

$8000

5 7 ? 28

None of these

14

56

20

If (x-2) is a factor of the polynomial x³-2ax² + ax – 1 find the value of a.

5/6

None of these

11/6

7/6

Five years ago the average age of P and Q was 15 years. Average age of P Q and R today is 20 years. How old will R be after 10 years?

30 years

35 years

50 years

40 years