Spot the error in the given sentence and select the correct sentence from the options given.

There were more than thirty delegates who attend the training programme last summer.

Select the most appropriate synonym of the highlighted word.

The hapless incident was a result of sheer negligence by the authorities.

In Δ ABC, D and E are points on AB and BC, respectively, such that DE is parallel to AC. If DE = 3 cm, AC = 5 cm and the area of trapezium ACED = 32 cm2, then what will be the area of Δ BDE?

A wire is in the form of a circle of radius 98 cm. A square is formed out of the wire. What is the approximate length of a side of the square?

Complete the sentence with an appropriate synonym of the word mentioned in the bracket.

Diseases like Verminosis and Mastitis only ___________ (damage) domestic cattle.

Directions : The Bar Graph given here shows the population (in crores) of India in various census years. Observe the graph and answer the question based on it.

Peryear increase in population from the year 1931 to 1981 is

Directions : The Bar Graph given here shows the population (in crores) of India in various census years. Observe the graph and answer the question based on it.

In which census year, the per cent increase in population is least as compared to that in the previous census year? 

Directions : The Bar Graph given here shows the population (in crores) of India in various census years. Observe the graph and answer the question based on it.

In which census year, the per cent increase in population is highest as compared to that in the previous census year?