Aptitude and Reasoning Questions

In triangle ABC, BAC = 90 deg and AD is perpendicular to BC. If AD = 6cm and BD = 4cm, then the length of BC is

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statements:
(I) All shawls are carpets.
(II) No carpet is a pullover.

Conclusion:
(I) No shawls are pullovers.
(II) All carpets are shawls.

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement:
(I) Some crows are jackals.
(II) No fox is a crow.

Conclusions:
(I) Some jackals are foxes.
(II) Some jackals are not foxes

Find out the odd word/letters/number/number pair from the given alternatives.

Which of the numbers given below is NOT rational?

In this question, the sets of numbers given in the alternatives are represented. The columns and rows of Matrix I are numbered from 0 to 4 and that ofMatrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., A can be represented by 02,10, etc.,and 'B' can be represented by 57, 65, etc. Similarly you have to identify the set for the word 'FADE'

A person purchased 10 shirts costing Rs 150 per shirt. Next day  he again purchased the shirts costing Rs 150 per shirt at a discount of Rs 30 per shirt and that day he spent a toal of Rs 1800. What is the average cost per shirt (in Rs)?

If 3√7 + √343 = 19.21, then find the value of √252 + 20√7.