1. A bottle is full of Dettol. 1/3 of it is taken out and then an equal amount of water is poured into bottle to fill it. This operation is done 4 times. Find the final ratio of Dettol and water in the bottle?
a) 43: 65
b) 17: 43
c) 16:63
d) 16:65
e) None of these
2. A man can row 8 km/hr in still water. If the river is running at 3 km/hr, it takes 3 hours more in upstream than to go downstream for the same distance. How far is the place?
a) 26.67 km
b) 32.5 km
c) 27.5 km
d) Can’t determined
e) None of these.
3. 1/3rd of a tank is filled with milk. After taking out 8 litres of milk 1/4th of the is still filled. Find the capacity of the tank ? (in litre)
a) 84 litre
b) 96 litre
c) 156 litre
d) 80 litre
e) None of these
4. If 27 is subtracted from a number then it is reduced to 40% of its original. The 1/3rd of the number is ?
a) 15
b) 30
c) 60
d) 75
e) None of these
5. Manufacturing of cement is made up with four components P, Q, R and S in ratio 2 : 3 : 4 : 5 . Due to seasonal variation if there are respective changes of + 10 % , – 20 % , – 30 % , + 40 % , then what would be the % change in the cost ?
a) 3.76%
b) 2.85%
c) 4.62%
d) 6.67%
e) None of these.
Directions : Each question below is followed by two statements A and B. You have to determine whether the data given in the statement is sufficient to answer the question. You should use the data and your knowledge of mathematics to choose between the possible answers. Give answer:
1) if the statement A alone is sufficient to answer the question, but the statement B alone is not sufficient.
2) if the statement B alone is sufficient to answer the question, but the statement A alone is not sufficient.
3) if the both statement A and B together are needed to answer the question.
4) if either the statement A alone or B alone is sufficient to answer the question.
5) if you cannot get the answer from the statements A and B together, but needed even more data.
6. What is the perimeter of a semicircle?
A. The radius of the semi-circle is half of the length of the rectangle.
B. Area of rectangle is 234 cm².
7. What is the ratio of two number N1 and N2?
A. 30% of N1 is 40% of 90.
B. 20% of N2 is 36% of 50.
8. What are the marks scored by Atul in Science?
A. Marks scored by Atul in Science is 40% of the marks obtained by him in Maths i.e 80.
B. Marks scored by Atul in Science and English is 180.
9. 1, 3, 24, 360, 8640, ?, 14515200
a) 282400
b) 292400
c) 302400
d) 25426
e) None of these
10. 15, 17, 38, 120, 488, ?, 14712
a) 2450
b) 2650
c) 2850
d) 2950
e) None of these