2141.
47 masons can dig a 35 m long trench in one day. How many masons should be employed for digging a 105 m long trench of
the same type in one day?
(A)
94
(B)
141
(C)
128
(D)
70
2142.
When a number is increased by 8, it becomes 120% of itself. The number is:
(A)
30
(B)
40
(C)
60
(D)
50
2143.
The volume of a cube is reduced to 72.9%. By how much is the side of the cube reduced?
(A)
(B)
(C)
(D)
2144.
Consider two concentric circles having radii 17 cm and 15 cm. What is the length (in cm) of the chord, of the bigger circle,
which is a tangent to the smaller circle?
(A)
16
(B)
10
(C)
12
(D)
8
2145.
An electric vehicle company produces three different car models: A, B and C. The production of three different models over
a period of four years has been shown in the bar graph below.
What is the difference between the average production of Model A in 2019, 2021 and 2022 and the average production of
Model B in 2020, 2021 and 2022?
(A)
95,000 cars
(B)
80,000 cars
(C)
45,000 cars
(D)
50,000 cars
2146.
The sum of the five consecutive even numbers is 2720. The sum of the third and fifth numbers is:
(A)
1192
(B)
1292
(C)
1092
(D)
1392
2147.
On dividing a certain number by 304, we get 43 as the remainder. If the same number isdivided by 16, what will be the
remainder?
(A)
8
(B)
11
(C)
15
(D)
12
2148.
Two circles touch each other externally as shown in the figure above. The radius of the circle with centre O is 49 cm. The
radius of the circle with centre A is 16 cm. Find the length (in cm) of their common tangent BC.
(A)
56
(B)
55
(C)
58
(D)
57
2149.
The capacity of a cylinder tank is 8316 cm3 . If the radius of its base is 21 cm, then find the depth of the tank.
(A)
4 cm
(B)
8 cm
(C)
10 cm
(D)
6 cm
2150.
The graphs of two linear equations, x + 2y = 15 and 4x + 8y = 13 will be:
