Math Quantitative Aptitude
Math Quantitative Aptitude
71. An increase of Rs. 60 in the monthly salary of Madan made it 50% of the monthly salary of Kamal. What is Madan’s present monthly salary 7
- Rs. 180
- Rs. 240
- Rs. 300
- Data inadequate
72. A man bought a house for Rs. 5 lakhs and rents it. He puts 12.5% of each month’s rent aside for repairs, pays Rs. 1660 as annual taxes and realises 10% on his investment thereafter. The monthly rent of the house is?
- Rs. 5000
- Rs. 4920
- Rs. 2500
- Rs. 2460
73. In a public school, 1/5th of girls and 1/4th of boys are under 12 years of age. If the total strength of the school is 1000 and number of girls is 2/5th of the total, what part of the total strength of the school is accounted for by those which are 12 years or more of age ?
- 23%
- 45%
- 55%
- 77%
74. A debtor can pay 87 paise in the rupee, but if his creditors would take 20% of his debts, he could pay them and have Rs. 42 left. His debts and assets respectively are ?
- Rs. 600, Rs. 522
- Rs. 500 , Rs. 521
- Rs. 400, Rs. 520
- Rs. 1000, Rs. 525
75. 300 grams of sugar solution has 40% sugar in it. How much sugar should be added to make it 50% in the solution ?
- 10 gms
- 40 gms
- 60 gms
- 80 gms
76. The price of an article is cut by 20%. To restore it to the former value, the new price must be increased by?
- 20%
- 25 %
- 16
- 24%
77. In an examination, there are 3 papers of Mathematics of 100 marks each. A boy secures 60% in the first paper and 70% in the second paper. In order to secure 70% in the aggregate the percentage of marks he should secure in third paper will be?
- 90%
- 80%
- 75%
- 70%
78. 5% of income of A is equal to 15% of income of B and 10% of income of B is equal to 20% of income of C. If income of C is Rs. 2000, then total income of A, B & C is?
- Rs. 6000
- Rs. 18000
- Rs. 20000
- Rs. 14000
79. In an examination, A got 10% marks less than B, B got 25% marks more than C and C got 20% less than D. If A got 360 marks out of 500, the percentage of marks obtained by D was?
- 70
- 75
- 80
- 85
80. In an examination, 80% of the students passed in English, 85% in Mathematics and 75% in both English and Mathematics If 40 students failed in both the subjects, the total number of students is
- 200
- 400
- 600
- 800