User Forum

In the given figure (not drawn to scale), ABCD is a parallelogram and GBEF is a rectangle. Find x - y.



(a) 7°
(b) 8°
(c) 6°
(d) 9°

Match the given columns and select the correct option from the codes given below.


A p-4-f, q-2-h, r-1-d, s-3-e, t-5-g
B p-2-f, q-1-e, r-4-h, s-5-g, t-3-d
C p-2-f, q-5-g, r-4-h, s-3-d, t-1-e
D p-1-g, q-4-f, r-5-h, s-2-e, t-3-d

Read the passage carefully and answer Q.

A train starts from rest and accelerates uniformly at 100 min^_2 for 10 min. It then maintains a constant velocity for 20 minutes. The brakes are then applied and the train is uniformly retarded. It comes to rest in 5 minutes.

The total distance travelled is

(A) 27500 m

(B) 37500 m

(C) 4200 m

A ball is dropped on to the floor from a height of 10 m. It rebounds to a height of 2.5 m. If the ball is in contact with the floor for 0.01 seconds, what is the average acceleration during contact?

(A) 1400 m/s²

(B) 2100 m/s²

(C) 700 m/s²

The distance of a particle as a function of time is shown below. The graph indicates that

(A) The particle starts with certain velocity but the motion is retarded and finally the particle stops

(B) The velocity of the particle is constant throughout

(C) The acceleration of the particle is constant throughout in the direction of motion

Select a figure which satisfies the same condition of placement of dots as in Fig.(X).



A

B

C

D

Study the given figure carefully. It will be the toughest to lift the rock when the force is applied on X, while it will be easiest to do the same when the force is applied on Y. Now, select the correct option regarding X and Y.

The given figure shows a girl standing in a garden under the sun.
Which of the following graphs best represents the variation of the length of her shadow with time?

        

A

B

C

D

Student(s) doing which one of the following activities is/are least likely to get hurt?

A
B
C
D

If DIAMOND is coded as VQYMKLV, how is FEMALE coded?
(a) TUMYNU
(b) UVNZOV
(c) UVNYNV
(d) TVNYNV