The average age 9 members of a committee are the same as it was 2 years ago, because an old number has been replaced by a younger number. Find how much younger is the new member than the old number?
A. 7 years
B. 11 years
C. 18 years
D. 27 years
Basic Arithmetic
In a hostel there were 100 students. To accommodate 20 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?
A. Rs.5000
B. Rs.4600
C. Rs.5400
D. Rs.2300
A building contractor employs 20 male, 15 female and 5 child workers. To a male worker he pays Rs.25 per day, to a female worker Rs.20 per day and a child worker Rs.8 per day. The average wage per day paid by the contractor is__________?
A. Rs.20
B. Rs.21
C. Rs.22
D. Rs.23
Visitors to show were charged Rs.15 each on the first day. Rs.7.50 on the second day, Rs.2.50 on the third day and total attendance on the three days were in ratio 2:5:13 respectively. The average charge per person for the whole show is___________?
A. Rs.3
B. Rs.4.50
C. Rs.5.00
D. Rs.7.50
A horse and a cow were sold for Rs. 12000 each. The horse was sold at a loss of 20 % and the cow at a gain of 20 %. The entire transaction resulted in___________?
A. No loss or gain
B. Loss of Rs. 1000
C. Gain of Rs. 1000
D. Gain of Rs. 2000
A merchant sold his goods for Rs. 75 at a profit percent equal to C.P. The C.P was:________?
A. Rs. 40
B. Rs. 50
C. Rs. 60
D. Rs. 70
Profit after selling a commodity for Rs. 425 is same as loss after selling it for Rs.355. The cost of the commodity is:________?
A. Rs. 385
B. Rs. 390
C. Rs. 395
D. Rs. 400
If two mixers and one T.V cost Rs. 7000. While two T.V s and one mixer cost Rs. 9800. The value of one T.V is:_________?
A. Rs. 2800
B. Rs. 2100
C. Rs. 4200
D. Rs. 8400
A man sells a car to his friend at 10 % loss. If the friend sells it for Rs. 54000 and gains 20 %. The original C.P of the car was:_________?
A. Rs. 25000
B. Rs. 37500
C. Rs. 50000
D. Rs. 60000
The cost price of an article which on being sold at a gain of 12 % yields Rs. 6 more than when it is sold at a loss of 12 % is:
A. Rs. 30
B. Rs. 25
C. Rs. 24
D. Rs. 20