1. 20 min
2. 15 min
3. 10 min
4. 5 min
10 min
1. 5p – 2q – r = 0
2. 5p + 2q + r = 0
3. 5p + 2q – r = 0
4. 5p – 2q + r = 0
5p – 2q – r = 0
1. a multiple of n
2. equal to n + 1/n
3. never less than n
4. a positive integer
never less than n
1. 34
2. 38
3. 36
4. 32
1. 10 cm
2. 40 cm
3. 50 cm
4. None of the above
50 cm
1. 2b2 = h2
2. 2h2 = b2
3. 3b2 = 2h2
4. 3h2 = 2b2
2h2 = b2
1. 245
2. 285
3. 240
4. 320
240
1. 3
2. 2
3. 1
4. None of the above
3
1. 5
2. 4
3. 2
4. 3
3
1. 1 : 0.69
2. 1 : 0.75
3. 1 : 0.72
4. None of the above.
1 : 0.75