141. If X3-Y3 = 117/ 8 and X-Y = 3/ 2 then the value of X2 + xy + Y2 will be
1
5/8
39/4
39/8
142. If (5)x2+ 2x+7 = (125)2x+1 then the value of x is
5
4
3
2
143. Two trains, each of length 150 metres, are moving in opposite directions with equal speed of 90 km per hour. The time taken by the trains to cross each other will be
3 seconds
4.5 seconds
6 seconds
9 seconds
144. The number of ways in which 12 identical pens can be distributed between two students, if each students is to get at least two pens, is
8
9
10
11
145. If the radii of circles A and B are in the ratio 1.5: 1, then the areas of the circles A and B will be in the ratio
1.5: 1
2: 1
2.25: 1
2.5: 1
146. One tap can fill a water tank in 3 hours and another tap can empty it in 4 hours. If the tank is one-third full and both the taps are opened together, then the time taken to fill the tank will be
8 hours
9 hours
10 hours
11 hours
147. The next term in the sequence 1, 3, 9, 15, 25, 35, 49, ..... Will be
80
64
81
63
148. In a class of 80 students, 60% students play carrom, 45% play chess and 10% students neither play carrom nor chess. The number of students who play only chess is
36
24
12
8
149. If x2 - y2 = 7 and x - y = 1, then the length of a diagonal of a rectangle with length and width respectively x cm and y cm will be
5 cm
6 cm
7 cm
8 cm
12 Total Test
360 Total Question
Scientifically designed for PCS
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IAS PCS SCC and others
75 Total Test
2250 Total Question
Scientifically designed for PCS
A must have for Civil services aspirant
IAS PCS SCC and others
69 Total Test
2070 Total Question
Scientifically designed for PCS
A must have for Civil services aspirant
Timer for time management
