Questions from Mathematics
1. Who among the following is credited with the invention of Algebra ?
(A) Medhatithi
(B) Bhaskara
(C) Apastamba
(D) Aryabhatta
2. Which of the following numbers is divisible by 24?
(A) 15824
(B) 14824
(C) 13824
(D) 12824
3. If a/4 = b/5 = c/7 then (a+b+c)/a=
(A) 4
(B) 5
(C) 7
(D) 16
4. The number of marble slabs of size 25 cm x 25 cm required to pave the floor of a square room of side 10 metres is:
(A) 1600
(B) 1000
(C) 2000
(D) 2500
5. 40% of a number is added to 120, then the result is double of the number. What is the number?
(A) 100
(B) 240
(C) 150
(D) 75
6. A and B can do a work in 10 days. B and C can do it in 12 days, C and A can do it in 15 days. If A, B and C work together, they will complete the work in:
(A) 15 days
(B) 8 days
(C) 10 days
(D) 12 days
7. The prices of a table and a chair are in the ratio 4:1. The cost of 2 tables and 8 chairs is Rs. 400, the cost of a table is:
(A) Rs.25
(B) Rs.100
(C) Rs.75
(D) Rs.50
9. A train of length 150 meters took 8 seconds to cross a bridge of length 250 metres. Time taken by the train to cross a telephone post is:
(A) 5 seconds
(B) 8 seconds
(C) 3 seconds
(D) 2 seconds
10. The difference between compound interest and simple interest for an amount in 2years is Rs. 32. If the rate of interest is 8%, the amount is:
(A) Rs 10000
(B) Rs. 1000
(C) Rs.5000
(D) Rs. 2500
