In a staff room of 25 teachers, 13 drink black coffee, 7 milk coffee, 9 drink both tea and either type of coffee, and everyone drinks either of the beverages. How many teachers drink only tea?
Insufficient information
5
6
9
A.
Insufficient information
The ratio of two numbers is 4:5. But, if each number is increased by 20, the ratio becomes 6:7. The sum of such numbers is:
90
95
100
60
A.
90
Arun can climb a Coconut tree by 1.5 feet by each lift; however he slips 0.5 feet every time he makes the next lift. How many individual lifts he will have to reach the top of the Coconut tree of 18.5 feet?
20
19
18
17
C.
18
During the academic session 2009-10, in Banaras Hindu University, Varanasi, the number of students studying Arts, Law and Commerce was in the ratio of 5:6:7. If during the academic session 2010-11 the number of students studying Arts, Law and Commerce increased by 20%, 30% and 40% respectively, what will be new ratio?
26:42:63
36:44:73
26:39:49
30:39:49
D.
30:39:49
Jogen’s taxable income for 2010-11 is Rupees 5, 00,000. The tax rates are (i) nil for first 1, 50,000, (ii)10% for 1, 50,001—3, 00,000, and (iii) 20% for the remaining. His Tax liability is:
Rs 45000
Rs 50000
Rs 55000
Rs 60000
C.
Rs 55000
Ms. Jhulan Goswami scores 102 runs in the 18th innings of her career and thus increases her average by 5. After the 18th inning, her average is:
17
21
26
28
A.
17
A man walks from his house to the Railway station to catch a train, which is running as per schedule. If he walks at 6 km/hr, he misses the train by 9 minutes. However, if he walks at 7 km/hr, he reaches the station 6 minutes before the departure of train. The distance of his home to the Railway Station is:
2 km
1.5 km
1.05 km
1.25 km
C.
1.05 km
Akbar will turn 50 when his son Jehangir turns 18. What will be Akbar’s age when it will be exactly times that of Jehangir?
36
40
44
48
B.
40
A customized jewellery was sold at Rs 1000 with 90% discount on the ‘making charges’. If the payment made for making charges was Rs 100, what is the approximate rate of discount on the
product?
35
45
47
90
C.
47
Difference between two numbers is 9 and difference between their squares is 981. Lowest of the two numbers is:
40
50
65
59
B.
50