For which of the following numbers is its positive square root closest to the number itself?
0.33
0.99
0.89
0.10
There are two gas parcels of equal volume, A and B at the same temperature and pressure. Parcel A is one mole of water vapour, while parcel B is one mole of dry air. Which of the following is TRUE?
Parcel A is heavier then Parcel B.
Parcel B is heavier than Parcel A.
Both parcels are equally heavy
Without temperature and pressure data, their relative masses cannot be determined.
The number of three English letter words, having at least one consonant, but not having two consecutive consonants, is
2205
3780
2730
3360
B.
3780
The number of three English letter words, having at least one consonant, but not having two consecutive consonants, is 3780.
A buys n copies of a book at 20% discount. B gets the same book at 30% discount. What is the maximum value of n for which B can buy on extra copy of the book, spending the same amount as A?
7
8
6
This problem cannot be solved unless the marked price of the book is shown.
A bird flies along the three sides of a field in the shape of an equilateral triangle at speeds of 2, 4, 8 km/hr respectively. The average speed of the bird is
4 km/hr
The average staff salary of a company is Rs. 8000/-. A new guard and a new manager are recruited with salaries of Rs. 5000/- and Rs. 20000/-, respectively. What is the current staff strength if the new average salary is Rs. 4000/- more than that of the guard?No
9
10
11
A 100 m long fence is to be made by fixing a wire mesh on steel poles. Each pole has a 1 m vertical portion and a 1m portion tilted at 45° to the vertical. What will be the area of wire mesh required?
200m2
241.4m2
400m2
170.7m2
DRQP is a small square of side a in the corner of a big square ABCD of side A.
What is the ratio of the area of the quadrilateral PBRQ to that of the square ABCD, given A/a = 3?
2/9
1/6
1/3
2/7