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.
Which one of the following graphs represents f(x) = sin cos x?
B.
The graph that represents f(x) = sin x cos x is graph 2.
The number of three English letter words, having at least one consonant, but not having two consecutive consonants, is
2205
3780
2730
3360
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