A dealer marks his goods 20% above cost price. He then allows som

Subject

Quantitative Aptitude

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

51.

Find the least number which must be subtracted from 18265 to make it a perfect square.

  • 30

  • 38

  • 40

  • 45

342 Views

52.

A and B together can do a piece of work in 36 days, B and C together can do it in 24 days. A and C together can do it in 18 days. The three working together can finish the work in

  • 8 days

  • 16 days

  • 30 days

  • 32 days

47 Views

53.

Two adjacent sides of a parallelogram are 21 cm and 20 cm. The diagonal joining the end points of these two sides is 29 cm. The area of the parallelogram (in sq cm) is

  • 240

  • 120

  • 210

  • 420

133 Views

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54.

A dealer marks his goods 20% above cost price. He then allows some discount on it and makes a profit of 8%. The rate of discount is

  • 4%

  • 6%

  • 10%

  • 12%


C.

10%

Shortcut Method:

rightwards double arrow space fraction numerator left parenthesis 100 space plus space Profit right parenthesis over denominator left parenthesis 100 space plus space add space on space percent sign right parenthesis end fraction space cross times space 100 space minus space 100
rightwards double arrow space fraction numerator left parenthesis 100 plus 8 right parenthesis over denominator left parenthesis 100 plus 20 right parenthesis end fraction space cross times 100 space minus space 100
rightwards double arrow space space 108 over 120 space cross times space 100 space minus space 100
rightwards double arrow space space space space 90 space minus space 100 space equals space minus 10 percent sign

69 Views

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55.

Sum of two numbers is thrice their difference. Their ratio is 

  • 1 : 2

  • 2 : 1

  • 3 : 1

  • 1 : 3

155 Views

56.

The average age of 36 students in a group is 14 years. When the teacher's age is included in it, the average increases by one. The teacher's age in years is

  • 31 years

  • 51 years

  • 36 years

  • 50 years

61 Views

57.

A dishonest dealer professes to sell his goods at cost price but uses a weight of 875 gm for the kilogram weight. His gain in percentage is

  • 17%

  • 14 5 over 7 percent sign

  • 14 2 over 7 percent sign

  • 14%

52 Views

58.

A's salary is 50% more than that of B. Then B's salary is less than that of A by:

  • 50%

  • 33 1 third percent sign

  • 33 1 fourth percent sign

  • 44 1 half percent sign

126 Views

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59.

Speed of a boat along and against the current are 14 km/hr and 8 km/hr respectively. The speed of the current is

  • 11 km/hr

  • 6 km/hr

  • 5.5 km/hr

  • 3 km/hr

136 Views

60.

If the simple interest on Rs 1/- for 1 month is 1 paisa, then the rate percent per annum will be:

  • 10%

  • 8%

  • 12%

  • 6%

94 Views

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