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Showing posts with the label 10th class

Practice Question on boat and stream (aptitude)

Boat and stream Question no. 1 A person can swim in still water at 4 km/h. If the speed of water is 2 km/h, how many hours will the man take to swim back against the current for 6 km. looks_one 3 looks_two 4 looks_3 4.5 looks_4 None of these Answer Option looks_one 3 Solution Solution : Speed of swim = 4 km/hr Speed of water = 2 km/ hr against the water speed of swim = 2 km/hr Time taken by man = distance/ speed = 6 / 2 = 3 hr Question no. 2 A man can swim in still water at 4.5 km/h, buttakes thrice as long to swim upstream than downstream. The speed of the stream is looks_one 2.25 looks_two 2 looks_3 3 looks_4 None of these Answer Option looks_one 2.25 Solution Solution : speed of swim = 4.5 km/hr Time taken to downstream = x hr Time taken to upstream = 3x hr Speed of stream = z distance of upstream = distance of downstream (4.5 - z) * 3x = (4.5 + z )* x ( 4.5 - z )* 3 = 4.5 + z 4.5 + z = 13.5 - 3...

practice question on profit and loss

profit and loss Question no. 1 If the manufacturer gains 10%, the wholesale dealer 15% and the retailer 25%, then find the cost of production of a table, the retail price of which is $ 1265? looks_one $800 looks_two $1000 looks_3 $900 looks_4 $600 Answer Option looks_one $800 Solution Solution : the cost of production of a table is x 110 % of x = wholesale cost price 115% of 110% of x = retailer cost price 125 % 115% of 110% of x = retailer selling price Question no. 2 If the cost price is 96% of the selling price, then what is the profit percent? looks_one 4.5 % looks_two 4 % looks_3 4.2 % looks_4 None of these Answer Option looks_3 4.2 % Solution Solution : CP = 0.96 SP Question no. 3 A man buys 50 pencils for Rs 100 and sells 45 pencils for Rs 90. Find his gain or loss %. looks_one 20 % looks_two 35 % looks_3 25 % looks_4 none of these Answer option looks_4 none of thes...

Practice question on direct and indirect narrative speech

&nbsp Question No. 1 &nbsp She said to me, "I have seen the Taj twice". (change into indirect sppech) &nbsp Check &nbsp Question No. 2 &nbsp Our teacher said , "The earth moves round the sun." (change into indirect sppech) &nbsp Check &nbsp Question No. 3 &nbsp He said , "If I were you , I would help her." (change into indirect sppech) &nbsp Check &nbsp Question No. 4 &nbsp She said to her servant , "Is tea ready for me ?" (change into indirect sppech) &nbsp Check &nbsp Question No. 5 &nbsp She said to me , "Who teaches you English ?" (change into indirect sppech) &nbsp Check &nbsp Question No. 6 &nbsp I said to my servant , "Do not sit in this room." (change into indirect sppech) &nbsp Check &nbsp Question No. 7 &nbsp I said to him , " Have you finished your work ? " (change into indire...

Practice question on percentage (Quantitative Aptitude)

Square, Cube, indices and Surds Question no. 1 If two numbers are respectively 20% and 50% of a third number, what is the percentage of the first number to the second ? looks_one 10 looks_two 20 looks_3 30 looks_4 40 Answer Option looks_4 40 Solution Solution : First number = a second number = b third number = c a = 0.2 c .....[1] b = 0.5 c .......[2] divide 1 from 2 a/b = 0.2/0.5 a = 0.4b a is 40 % of b Question no. 2 11% of which number is 33? looks_one 300 looks_two 330 looks_3 33 looks_4 None of these Answer Option looks_one 300 Solution Solution : 11% of x = 33 Question no. 3 Two-third of one-seventh of a number is 87.5% of 240. What is the number ? looks_one 2670 looks_two 2450 looks_3 2205 looks_4 1470 Answer option looks_3 2205 Solution Solution : Question no. 4 10% of the inhabitants of a village having died of cholera, a panic set in, during which 25%...

practice question on Mensuration (Aptitude) for NDA , Bank , GMAT , SAT , GATE

Mensuration Question no. 1 The side and the height of a rhombus are 13 and 20 cms respectively. Find the area. looks_one 260 cm 2 looks_two 275 cm 2 looks_3 290 cm 2 looks_4 None of these Answer Option looks_one 260 cm 2 Solution Solution : side = 13 , height = 20 area = height * side = 20*13 = 260 cm 2 Question no. 2 If the ratio of areas of two squares is 9 : 1, the ratio of their perimeter is: looks_one 9:1 looks_two 3:4 looks_3 3:1 looks_4 1:3 Answer Option looks_3 3:1 Solution Solution : Question no. 3 A circle and a rectangle have the same perimeter. The sides of the rectangle are 18 cm and 26 cm. What is the area of the circle ? looks_one 88 cm 2 looks_two 154 cm 2 looks_3 1250 cm 2 looks_4 616 cm 2 Answer option looks_4 616 cm 2 Solution Solution : r is the radius of circle and a ,b are length and breadth of rectangle 2πr = 2(a+b) πr = a+ b = 18 ...