Mathematics MCQ Question and Answer
Mathematics MCQ Question and Answer
52. One of the diagonals of a rhombus is equal to a side of the rhombus. The angles of the rhombus
- 60° and 80°
- 0° and 120°
- 120° and 240°
- 100° and 120°
53. A began business with Rs 4,500 and was joined afterwards by B with Rs 5,400. If the profit at the end of the year was divided in the ratio of 2: 1, then the time of joining B was after
- 5 months
- 7 months
- 8 months
- 9 months
54. An agent makes a profit of 20% even after a discount of 10% discount on the advertised price. If he makes a profit of Rs 750 on the sale of a scooter, then the advertised price is
- Rs 4,550
- Rs 4,500
- Rs 5,000
- Rs 5,050
55. If the cost of a pen is Rs 12.60 and the gain was 10% of the marked price, then the marked price of a pen was
- Rs15
- Rs14
- Rs 13
- Rs 12
56. A shopkeeper purchases 11 pens for Rs 10 and sells them at the rate of 10 for Rs 11, and then the profit is
- 18%
- 19%
- 20%
- 21%
57. Mr. Rai bought a machine that was tested at Rs 320. He was given successive discounts of 20% and 10%, and then the price he paid was
- Rs 120.40
- Rs 220.40
- Rs 230.40
- None of these
58. A cup of milk contains 3 parts pure milk and 1 part water. How much of the mixture must be with drawn and water replaced in order to get the resulting mixture may be half milk and half water?
- 1/3
- 1/4
- 1/5
- 1/6
59. The time required so that Rs 450 may increase to Rs 576 (the rate of simple interest being 7% per annum) is
- 2 years
- 3 years
- 4 years
- 6 years
60. A sum of money lent by Han at simple interest becomes double of itself in 8 years. Then the sum wills trible itself in
- 16 years
- 15 years
- 20 years
- 24 years