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Target SSC Exams 2021-22 10000+ Questions Attempt Maths Quiz | Day 158

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Q2. A man invested a sum of money at compound interest. It amounted to Rs. 2420 in 2 years and to Rs. 2662 in 3 years. Find the sum.
(a) Rs. 1000
(b) Rs. 2000
(c) Rs. 5082
(d) Rs. 3000

Q4. A hollow cylindrical tube 20 cm long is made of iron and its external and internal diameters are 8 cm and 6 cm respectively. The volume (in cubic cm) of iron in making the tube is (Take n = 22/7)
(a) 1760
(b) 440
(c) 220
(d) 880

Q5. If the areas of three adjacent faces of a rectangular box which meet in a corner are 12 cm², 15 cm² and 20 cm² respectively. Then the volume of the box is
(a) 3600 cm³
(b) 300 cm³
(c) 60 cm³
(d) 180 cm³

Q6. The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hour completes one round in 8 minutes, then the area of the park is
(a) 153650 m²
(b) 135600 m²
(c) 153600 m²
(d) 156300 m²

Q7. If the radius of a right cylinder open at both the ends, is decreased by 25% and the height of the cylinder is increased by 25%. Then the curved surface area of the cylinder thus formed
(a) remains unaltered
(b) is increase by 25%
(c) is increase by 6.25%
(d) is decreased by 6.25%

Q8. A cylindrical pencil of diameter 1.2 cm has one of its end sharpened into a conical shape of height 1.4 cm. The volume of the material removed is
(a) 1.056 cm³
(b) 4.224 cm³
(c) 10.56 cm³
(d) 42.24 cm³

Q9. A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 m² then the width of the road is
(a) 3 m
(b) 5 m
(c) 6 m
(d) 2 m

Q10. Four circles of equal radii are described about the four corners of a square so that each touches two of the other circles. If each side of the square is 140 cm then area of the space enclosed between the circumference of the circle is (take n = 22/7)
(a) 4200 cm²
(b) 2100 cm²
(c) 7000 cm²
(d) 2800 cm²

Solutions

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