Q. The diagonals of a rhombus are 32 cm and 24 cm. Its perimeter will be -
1) 50 cm
2) 60 cm
3) 70 cm
4) 80 cm
Q. A shopkeeper marks the price of an article 20% above its cost price. He offers some discount on the marked price and gains a profit of 8%. Rate of discount is -
1) 8%
2) 10%
3) 12%
4) 15%
Q. Seventeen candidates appeared in an examination. The marks off the candidates who failed in the examination are 10, 9, 6, 7, 8, 8, 7, 5, 4, 6. The median of marks of all seventeen candidates is -
1) 6
2) 7
3) 9
4) None of the above
Q. The radius of a solid sphere of a metal is 3 cm. How long wire of diameter 4 mm can be drawn from it?
1) 8.8 meter
2) 9.0 meter
3) 9.6 meter
4) 9.1 meter
Q. A rectangular field is 112 meter long and 62 meter broad. A cubical tank of edge 6 meter is dug at each of the four comers of the field and the soil so removed is evenly spread on the remaining field. Find the rise in the level of the field.
1) 13.13 cm
2) 11.9 cm
3) 12.7 cm
4) 14.24 cm
Q. If (x - 1) and (x + 1) are two factors of the polynomial x6 - 1, then its other factors are -
1) (x2 + 1), (x2 + x + 1)
2) (x2 + 1), (x2-x-1)
3) (x2 - x + 1), (x2 + x + 1)
4) (x2 - x - 1), (x2 + x - 1)
Q. Two trains of length 127 meter and 98 meter are moving in opposite directions with speed 35 km/hr and 55 km/hr respectively. After meeting they will cross each other in -
1) 6 seconds
2) 8 seconds
3) 9 seconds
4) 10 seconds
Q. 3 men or 7 women finish a work in 32 days. 7 men and 5 women together will finish the twice of this work in -
1) 19 days
2) 21 days
3) 27 days
4) 36 days
Q. The age of father is twice that the sum of ages of his two sons. 20 years later, the age of father will become the sum of ages of his two sons. The present age of father is -
1) 40 years
2) 60 years
3) 30 years
4) 50 years
Q. A monkey climbs a 12 metes high slippery pillar. In his first minute, he climbs 2 meters and in the next minute, he slips one meter down. In this way, how much time will he take to reach the top of the pillar?
1) 10 minutes
2) 21 minutes
3) 12 minutes
4) 11 minutes
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