Question
Parts of the following sentence have been given as
options. Select the option that contains an error. By the time the train arrives, we were waiting at the platform for over an hour.Solution
There is a tense mismatch in the sentence:
The phrase “the train arrives” is in the present tense.
However, “we were waiting” is in the past continuous tense, which does not logically fit with the rest of the sentence.
To indicate that an action will have already been ongoing by the time something else happens in the future, we need the future perfect continuous tense:
The correct form is: “we will have been waiting”.
The sum of three consecutive odd natural numbers each divisible by 3 is 81. Which number is the largest number among the three numbers?
- The divisor is 40% of the quotient and 2 times the remainder. If the remainder is 6, then what is the dividend?
Find the remainder when 345 is divided by 10.
Some pencils were distributed among (x + 2) students such that each student received 10 pencils. If there had been 5 students more, then pencils receive...
- Find the remainder when

How many unique five-digit numbers can be created using the digits 0, 1, 5, 6, 7, and 8, without repeating any digit?
Aman is forming pairs of two natural numbers, A and B, such that their product equals 350. He wants to determine how many such pairs exist where A and B...
What is the smallest number that should be added to 987 so that the sum is exactly divisible by 11?
What is the smallest natural number that must be multiplied with 45 to make the result a perfect square?
Sum of the three numbers is 150. Ratio of the first number to second number is 3:5 and the ratio of second number to third number is 5:7. Find the secon...