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In a racing competition at the mountain hills, Harry records the fastest lap time of 25.3 s. The length of the track is 2 446 m. If Harry maintains his fastest lap’s average speed, then he would complete 100 laps in approximately

A1349 s
B1430 s
C2529 s
D3618 s

Which of the following groups of animals does not have common mode of feeding?

AButterfly, mosquito, humming bird
BAnt, snail, cockroach
CEagle, spider, tiger
DSnake, bee, python

(A)

(B)

(C)

(D) Both (A) & (C)

Select the option in which the odd one among the others is encircled correctly.

A
B
C
D

The given diagram represents the water cycle. Select the INCORRECT option regarding the processes that are labelled as a, b and c.


A In process 'b', the water vapours that rises, cools down to form tiny drops of water which come together to form clouds.
B In process 'a', water from rivers, lakes and seas changes to water vapours due to the warmth of sunlight.
C In process 'c', clouds formed in process 'b' become full and fall back to Earth as rain.
D None of these

(i) X reacts violently with cold water.

(ii) Y reacts with boiling water.

(iii) Z reacts with steam.

(A) Na, Mg, Zn

(B) Na, Zn, Fe

(C) Cu, Zn, Na

The value of is

(A) 0.039

(B) 0.235

(C) 0.25

On dividing 2272 as well as 875 by 3digit number N, we get the same remainder. The sum of the digits of N is

(A) 10

(B) 11

(C) 12

(A) 22 cm ²

(B) 44 cm ²

(C) 77 cm ²

Viraj found a fruit which he has not seen before. He wanted to find out whether the fruit is scattered in the same way as the Mimosa. He planned to do the following:
i. Throw it in the air.
ii. Examine the 'hooks'.
iii. Place it on his socks.
iv. Open it to look at seeds.
Which of the above actions are useful for his purpose?

A i and ii
B i, ii and iii
C ii and iii
D iii and iv