Practice paper · Basic, Bengaluru region

Given that HCF (45,105) = 15, then find the LCM (45,105).

1. A35
2. B315
3. C15
4. D45

Which of the following is quadratic equation?

1. Ax²+3x=(x-1)²
2. B(x-3)(x+2)=x(4x+5)
3. C(x+1)³ -2 = 2x³ -5x
4. Dx² +3=(x+1)²

Find a and b so that the numbers a, 7, b, 23 are in AP.

1. Aa= -1, b=15
2. Ba=1, b=15
3. Ca=3, b=-5
4. Da= 1, b=3

All ______________ triangles are similar.

1. Aisosceles
2. Bscalene
3. Cequilateral
4. Dright

A flagpole casts a shadow 12 m long. At the same time, a 6 m high tree casts a shadow 4 m long. Find the height of the flagpole.

1. A15 m
2. B18 m
3. C16 m
4. D20 m