Miscellaneous Test

Result

Miscellaneous Test - 76

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Weekly Quiz Competition

Question 1
4 / -1

A ball is thrown vertically upwards from the ground with velocity 15 m/s and rebounds from the ground with one-third of its striking velocity. The ratio of its greatest heights before and after striking the ground is

A
4:1

B
9:1

C
5: 1

D
3:1

Solution
Question 2
4 / -1

particle possess two velocities simultaneously at an angle of tan^-1(12/5) to each other. Their resultant is 15 rn/s. If one velocity is 13 m/s, then the other will be

A
5 m/s

B
4 m/s

C
12 m/s

D
13 m/s

Solution
Question 3
4 / -1

Two masses are projected with equal velocity u at angle 30^o and 60^o respectively. If the ranges covered by the masses be R₁ and R₂, then

A

B

C

D

Solution
Question 4
4 / -1

The amount of force that is needed to accelerate a truck of mass 36000 kg from rest to a velocity of 60 km/h in 20 seconds is

A
6 kN

B
30 kN

C
60 kN

D
30000 kN

Solution
Question 5
4 / -1

A train is running at 5 m/s and a man jumps out of it with a velocity 10 m/s in a direction making an angle of 60° with the direction of the train. The velocity of the man relative to the ground is equal to

A
12.24 m/s

B
11.25 m/s

C
14.23 m/s

D
13.23 m/s

Solution
Question 6
4 / -1

Inequations 3x – y ≥ 3 and 4x – y > 4

A
Have solution for positive x and y

B
Have no solution for positive x and y

C
Have solution for all x

D
Have solution for all y

Solution
Question 7
4 / -1

Shaded region is represented by

A

B

C

D

Solution
Question 8
4 / -1

A Firm makes pents and shirts. A shirt takes 2 hours on machine and 3 hour of man labour while a pent takes 3 hour on machine and 2 hour of man labour. In a week there are 70 hour machine and 75 hour of man labour available. If the firm determine to make x shirts and y pents per week, then for this the linear constraints are

A

B

C

D

Solution
Question 9
4 / -1

A

B

C

D
All of these

Solution
Question 10
4 / -1

A company manufactures two types of products A and B. The storage capacity of its godown is 100 units. Total investment amount is Rs. 30,000. The cost price of A and B are Rs. 400 and Rs. 900 respectively. If all the products have sold and per unit profit is? Rs. 100 and? Rs. 120 through A and B respectively. If x units of A and y units of B be produced, then two linear constraints and iso-profit line are respectively

A

B

C

D

Solution