Quant Quiz

1.The income of Aditya is 50% more than Surya. Surya’s  income is 20% less than Munish. If Surya’s income is Rs 4000/-. What is the difference between income of Aditya and Munish?
    (1) Rs 1000            (2) Rs 1241    (3) Rs 1335    (4) Rs 1400    (5) None of these

2.The length of a rectangular field is increased 50% and breadth is decreased 20%. What is the percent change in the area of rectangular field?
    (1) 30% decrease    (2) 20% increase     (3) 20% decrease    (4) 80% decrease  (5) None of these
3.If an exam 63% of the candidates passed in HIndi, 65% in Social Science, and 27% failed in both subjects. What is the pass percentage?
    (1) 45            (2) 35        (3) 55        (4) 60        (5) None of these
4.A student has to secure 40% marks to pass. If he gets 40 marks and fails by 40 marks, find the maximum marks set for the exam?
    (1) 400            (2) 300        (3) 200        (4) 350        (5) None of these
5.The excise duty on an article is diminished by 10% and its consumption increased by 10%. The effect on the revenue derived from it is-
    (1) 0.2 % decrease    (2) 2 % decrease    (3) 0.1 % increase   (4) 1% increase    (5) None of these
6.The  average  weight  of  8  men  is  increased  by 1.5 kg  when  one  of  them  who  weighs  65  kg  is replaced by a new man. The weight of the new man is-
    (1) 76 kg            (2) 76.5 kg    (3) 76.7 kg    (4) 77 kg    (5) None of These
7.A man distributed Rs.100 equally among his friends. If there had been five more friends, each would have received one rupee less. How many friends did he have?
    (1) 20            (2) 30        (3) 40        (4) 50        (5) None of These
8.In an exam, the average was found to be 50 marks. After detecting computer errors, the  marks of 100  candidates  had  to  be  changed  from  90  to  60  each and  the  average  came  down  to 45.The total number of candidates who took the exam was
    (1) 600            (2) 700        (3) 500        (4) 400        (5) None of These  
9.In  a  field  there  are  200  living  beings  of  which  64  are  rabbits,   32  are  cows  and  the  rest  are ostriches. The average number of legs per living being in this field is
    (1) 2            (2) 2.96        (3) 2.88        (4) 3.02        (5) None of These
10.The  average  of  seven  results  is  5;  the average  of first three  is  3, and  that  of  the last  three is  7. The fourth result is
    (1) 6            (2) 5    (3) 4        (4) 3    (5) None of These

Answer
1-1, 2-2, 3-3, 4-3, 5-4, 6-4, 7-1, 8-1, 9-2, 10-2