** 81) Mean of 10, 30, Y and 50 is 50. Y is? **

(A) 90

(B) 95

(C) 100

(D) 110

** 82) Boy can type 1350 words in 30 minutes, how many he could type in 5 minutes? **

(A) 225

(B) 235

(C) 50

(D) 60

** 83) Twelve men take 6 hours to finish a piece of work. After the 12 men have worked for 1 hour, the contractor decides to call in 8 more men. How many more hours woulld 20 men take to complete the remaining work? **

(A) 2

(B) 3

(C) 4

(D) 5

** 84) If a car is sold Rs.500000 the profit is 17 per cent.What would be profit percentage if sold Rs.470000. **

(A) 14.85%

(B) 15.98%

(C) 16.20%

(D) 14.50&

** 85) The number, whose 17% is 51, is: **

(A) 200

(B) 100

(C) 300

(D) 210

** 86) A primary school had an enrollment of 850 pupils in January 1970 in January 1980 the enrollment was 1,120. What was the percentage increase for the enrollment? **

(A) 31.76%

(B) 33.50%

(C) 30.65%

(D) 34.76%

** 87) Which is the greatest number? **

(A) 1/4 of 236

(B) 1/16 of 1028

(C) 1/9 of 504

(D) 1/3 of 741

** 88) Shrimps are available in the market _______ they are good source of earning foreign exchange. **

(A) because

(B) so

(C) while

(D) when

** 89) In absence of facts we can ________ about the real reason. **

(A) Conclude

(B) Deduce

(C) Deduct

(D) Infer

** 90) He set two alarms so as to _______ that he woke up on time? **

(A) Assure

(B) Reassure

(C) Ensure

(D) Confirm