Aptitude and Reasoning Questions

An aeroplane flying horizontally at a height of 3 Km. above the ground is observed at a certain point on earth to subtend an angle of 60°. After 15 sec flight, its angle of elevation is changed to 30°. The speed of the aeroplane (taking √3 = 1.732) is

Select the odd letters from the given alternatives.

Consider the given statement/s to be true and decide which of the given conclusions/assumptions can definitely be drawn from the given statement.

STATEMENT: Selectors pick our cricket teams based on regional considerations instead of on pure merit, making it difficult for our teams to win test series against other countries.

Conclusion I: Our cricket teams have no hope of winning test series against other countries.
Conclusion II: Our cricket teams need to be selected on pure merit.

In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A from these matrices can be represented first by its row and next by its column. e.g. N can be represented by 01, 14 etc. and A can be represented by 55, 69, etc. You have to identify the set for the word ‘GOOD’.

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

2, 7, 14, 23, 34, ?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? d_c_d_cb_c_b

Two circles of radii 17 cm and 8 cm are concentric. The length of a chord of greater circle which touches the smaller circle is

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. NIP, KGO, HEN, ECM, ?