Explanation

Pardon

Synonyms of  condone are excuse, forgiveness, and forgiveness.

Explanation

Crumbling گرنے والا

Synonym of Dilapidated is Crumbling

Explanation

Rational عقلی

Sane meaning in English

Reasonable or meaningful.

Explanation

 7t

First person distance traveled in time t = 28

 laps = 1

4 laps 

 Distance covered by the second person at time t = 38

 laps 

 First-person speed = 14t

 Second-person speed = 38t

 The two  start from A and B respectively, so they  meet  when there is a difference of 78

 laps. 

 Relative velocity of A and B: 

 = (38t-14t) = 18t

 Time  to complete 78

 laps at this speed: 

 = (78 × 8t) = 7t

Explanation

100

The number of students is x. So 

 Number of students over 8 years old 

 = (100-20)% of x = 80% of x 

 ∴ 80% of x = 48 + 23 of48

 ⇒ 80 100x = 80 

 ⇒ x = 100

Explanation

624

The total number of times a candidate did not answer all  four answers correctly is 54-1 = 624.

Explanation

 Hepatic portal vein

The portal  or hepatic portal vein is the blood vessel that carries blood from the gastrointestinal tract, gallbladder, pancreas, and spleen to the liver.

Explanation

Rice

Calcium does not supply energy to the body, it only balances the energy levels in the body. Calcium contributes to growth and strengthens our teeth and bones. 

Explanation

601

If the word started with the latter A then the remaining 5 positions can be filled in 5! ways.

Similarly, for the other letters

No. of word starts with A = 5!

No. of word starts with C =5!

No. of word starts with H = 5!

No. of word starts with I = 5!

No. of word starts with N = 5!

Total words = 5! + 5! + 5! + 5! + 5! = 5(5!) = 600

Next when words starting with S appears, SACHIN itself will be the 1st word as ACHIN are all in dictionary order, 

Now add the rank of SACHIN.

so rank is 600 + 1 = 601 

Explanation

Harmful

antonym of innocuous is harmful