1. A box contains cards numbered 6 to 50. A card is drawn at random from the box. The probability that the drawn card has a number which is a perfect square like 4,9….is
(a) 1/45
(b) 2/15
(c) 4/45
(d) 1/9
2. In a circle of diameter 42cm ,if an arc subtends an angle of 60 ˚ at the centre where ∏=22/7,then the length of the arc is
(a) 22/7 cm
(c) 22 cm
(d) 44 cm
(b) 11cm
3. If sinƟ = x and secƟ = y , then tanƟ is
(a) xy
(b) x/y
(c) y/x
(d) 1/xy
(a) One solution
(b) Two solutions
(c) Infinitely many solutions
(d) No solution
(a) 0
(b) `1/3`
(c) `3/4`
(d) 1
6. 8 chairs and 5 tables cost Rs.10500, while 5 chairs and 3 tables cost Rs.6450. The cost of each chair will be
(a) Rs. 750
(b) Rs.600
(c) Rs. 850
(d) Rs. 900
(a) -1
(b) 0
(c) 1
(d) 2
(a) Terminating
(b) Non-terminating
(c) Non-terminating and repeating
(d) Non-terminating and non-repeating
(a) `2^{3}`
(b) `3^{3}`
(c) `2^{3}\times 3^{3}`
(d) `2^{2}\times 3^{2}`
(a) 420
(b) 600
(c) 720
(d) 800
(a) x = `\frac{"a + b"}{"ay"}`
(b) y = `\frac{"ax"}{"a + b"}`
(c) x = `\frac{"ay"}{"a + b"}`
(a) (2,4)
(b) (4,6)
(c) (4,2)
(d) (3,5)
13. The prime factorisation of 3825 is
(b) `3^{2}\times 5^{2}\times35`
(c) `3^{2}\times 5^{2}\times3517`
(d) `3^{2} 25 \times3517`
14. In the figure given below, AD=4cm,BD=3cm and CB=12 cm, then cotƟ equals
(b) 5/12
(c) 4/3
(a) X=10,y=2
(b) X=12,y=8
(c) X=2,y=10
(d) X=20,y=0
16. In an isosceles triangle ABC, if AC=BC and `"AB"^{2}`=`"2AC"^{2}` , then the measure of angle C will be
(a) 30˚
(b) 45˚
(c) 60˚
(a) -8
(b) -7
(c) 1
(d) 8
(a) 1/6
(b) 1/3
(c) 1/2
(d) 5/6