Exams

A and B can together complete a task in 18 hours. After 6 hours A leaves. B takes 36 hours to finish rest of the task. How many hours would A have taken to do the task if he worked alone?

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'.

1. Four famous Sikh shrines in Delhi will go green

2. by employing solar energy

3. to meet its daily power needs from April.

4. No error

In the following question, select the odd word pair from the given alternatives.

Four statements are given below at A, B, C and D. There may be some errors in the given statement(s). The incorrect statement is your answer.

Ravi has a roadmap with a scale of 1.5 cm for 18 km. He drives on that road for 72 km. What would be his distance covered in that map.

A shopkeeper cheats to the extent of 11% while buying and selling fruits, by using tampered weights. His total gain in percentage is

20 pens and 46 pencils were purchased for Rs. 235. If the average price of a pencil is Rs. 2.50 then calculate the average price (in Rs.) of a pen.

The value of 2 Tan53°Cot37°-Cot80°Tan10° ?