A man earns Rs. 20 on the first day and spends Rs. 15 on the next day. He again earns Rs. 20 on the third day and spends Rs. 15 on the fourth day. If he continues to save in this way, how soon will he have Rs. 60 in hand?
on 27th day
on 24th day
on 12th day
on 17th day
D.
on 17th day
The angle subtended by the Minor segment of a circle at the center is __________ the angle subtended by the Major segment at the center of the circle
greater than
not related to
equal to
lesser than
D.
lesser than
A library has an average of 510 visitors on Sundays and 240 on other days. What is the average number of visitors per day in the month of June beginning with a Sunday?
250
280
285
276
C.
285
60 kg of an alloy X is mixed with 100 kg of an alloy Y. If alloy X has lead and tin in the ratio of 3:2 and alloy Y has tin and copper in the ratio of 1:4, then the amount of tin in the new alloy is
53 kgs.
80 kgs
36 kgs.
44 kgs
D.
44 kgs
The number of 'three digit numbers' which are multiples of 9 are:
98
101
100
102
C.
100
Two consecutive even positive integers, sum of the squares of which is 1060 are:
12 and 14
22 and 24
20 and 22
16 and 18
D.
16 and 18
The value of a machine depreciates every year at the rate of 10% on its value at the beginning of that year. If the present value of the machine is Rs. 729, its worth three years ago was:
Rs. 947.70
Rs. 1,000
Rs. 750.87
Rs. 800
B.
Rs. 1,000
12 defective pens are accidentally mixed with 132 good ones. It is not possible to just look at a pen and tell whether or not it is defective. One pen is taken out at random from this lot. Determine the probability that the pen taken out is a good one.
7/12
11/12
10/12
9/12
B.
11/12
A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess. When a student A takes food for 20 days, she has to pay Rs. 1000 as hostel char ges whereas a student B, who takes food for 26 days, pays Rs. 1180 as hostel charges.
Find the fixed charges and the cost of food per day.
300, 30
400, 40
200, 20
400, 30
D.
400, 30
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