Choose the odd word/letters/number from the given alternatives

The ratio of number of men and women in a factory of 720 workers is 7 : 5. How many more women should be joined to make the ratio 1 : 1?

Directions(91): In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
The captain came (a)/presently but I (b)/ can’t say where he has (c)/ slipped out unnoticed. (d)/ No error (e)

इनमें से कौन-सा शब्द अनेकार्थी शब्द ' हरि' से संबद्ध नहीं है ? 

Which of the following numbers will replace the question mark (?) in the given series?

58, 179, ?, 492, 688

In a 1500 m race, Chaitali beats Vrunali by 100 m and in 1200 m race, Vrunali beats Krutika by 75 m. If Chaitali and Krutika are compared, then for how much m Chaitali will beat Krutika in 900 m race?