1731.
The average of 50 numbers is 23. If each number is multiplied by 13, then the new average is:
(A)
219
(B)
299
(C)
650
(D)
88
1732.
Tom travelled 285 km in 6 hours. In his total travelling, he travelled the first part by bus at 40 km/hr and the remaining part
by train at 55 km/hr. How much distance has he travelled by train?
(A)
155 km
(B)
120 km
(C)
165 km
(D)
135 km
1733.
In an obtuse-angled triangle ABC, the length of its longest side AB is 50 cm and one of the other two sides is 42 cm. If the
area of the triangle is 294 cm2, what is the length (in cm) of its third side?
(A)
(B)
(C)
(D)
1734.
In ΔABC,D and E are points on sides AB and AC, such that DE∥BC. If AD = x,DB = x - 3,AE = x + 3 and EC = x - 2, then the
value of x is:
(A)
5.2
(B)
4.0
(C)
4.5
(D)
4.2
1735.
The following bar graph represents the total number of students enrolled and the number of students who got campus
placement in six different engineering colleges A, B, C, D, E, and F. Study the graph carefully and answer the question given
below:
What per cent (correct up to two decimal places) of total enrolled students have got campus placements in colleges A, C,
and F?
(A)
86.67%
(B)
77.78%
(C)
82.78%
(D)
79.67%
1736.
The surface area of a spherical ball is 1386 cm2. What will be its volume?
(A)
4825 cm3
(B)
5000 cm3
(C)
4851 cm3
(D)
4800 cm3
1737.
If the speed of a boat in still water is 3 km/h and if its speed upstream is 1 km/h, find the speed of the stream.
(A)
2 km/h
(B)
1 km/h
(C)
0.25 km/h
(D)
0.5 km/h
1738.
There are two circles touching each other externally. The radius of the first circle with centre O is 12 cm. The radius of the
second circle with centre A is 5 cm. Find the length of their common tangent touching the two circles at points P and Q.
(A)
(B)
(C)
(D)
1739.
Find the whole surface area of a cuboid having a length of 19 cm, breadth of 9 cm and height of 4.5 cm.
(A)
(B)
(C)
(D)
1740.
If 640 ÷ 8 + 930 ÷ 15 – k + 32 × 5 = 1104 ÷ 16 × 148 ÷ 37, then the value of k is:
