In a mixture of 80 liters, the ratio of milks and water is 3:2 . How much water must be added to this mixture so that the ratio of milk and water becomes 3:4. 24 28 40 36 32 Option E Total mixture =80 liters.milk =80*3/5 =48water =80*2/5 =32Let, x liters of water is added.48/32+x =3/432+x =64x =64-32 =32 liters.…
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Quantitative Aptitude: Quadratic Equations Questions Set 78
x^2+14x+24 =0y^2+18x+65 =0 X>Y X X≥Y X≤Y X=Y or no relation Option E I. x^2+12x+2x+24 =0x= -12, -2II. x^2+13x+5x+65 =0x= -13, -5 I. 2x^2+23x++65 =0II. 3x^2+25x+50=0 X>Y X X≥Y X≤Y X=Y or no relation Option D I. 2x^2+13x+10x+65=02x=-13, -10x=-6.5, -5II. 3x^2+15x+10x+50 =03x= -15,-10x=-5, -3.33 I. x^2-18x+72=0II. y^2-8y+15 =0 X>Y X X≥Y X≤Y X=Y or no relation Option A…
Read MoreQuantitative Aptitude: Number Series Set 157
32, 80, 200, 500, 1250 ? 3125 4125 2500 3750 5125 Option A The series is (32*2.5), (80*2.5), (200*2.5)….. 12, 29, 63, 131, 267, ? 541 538 429 539 342 Option D The series is (*2+5), (*2+5)… 48, 51, 56, 63, ?, 87 72 74 75 78 76 Option B The series (+3), (+5), (+7), (+11), (+13) the…
Read MoreQuantitative Aptitude: Number Series Set 156
960, 839, 758, 709, 684, ? 685 550 485 675 745 Option D the series is, (-11^2), (-9^2), (-7^2)… 340, 356, 382, 418, 464, ? 520 480 540 516 496 Option A the series is, +16, +26, +36, +46, +56 15, 41, 78, 128, 193, ? 278 275 385 345 264 Option B the series is, +(5^2+1), +(6^2+1),…
Read MoreQuantitative Aptitude: Simplification Questions Set 117
Direction: What will come in place of question(?) marks in the following questions ?13540+12981+1519-? =25000 4260 3140 3340 3040 none of these Option D 13540+12981+1519-25000 =3040 (1696÷4-?)10=1200 404 304 340 420 520 Option B (424-x)10 =12004240-10x =1200x =304 19*12*8+94 =? 1918 2018 2200 1900 1920 Option A 1824+94=1918 120% of 55+240% of 25+? =140 16 14 20…
Read MoreQuantitative Aptitude: Ratio and Proportion Questions Set 13
The ratio of amount of A and B is 4 : 3 and the ratio of amount of B and C is 4 : 5 . If the total number of amount A , B and C have rs. 3870, then find the how much amount B have ? 1200 2340 1080 880 960 Option C Ratio of amount of…
Read MoreQuantitative Aptitude: Profit and Loss Set 29
A man purchase is a bike for rs.75400 and spends rs. 2600 for his its maintenance. After some days he sells the bike at rs. 89700. What is his profit percentage ? 10% 18% 11% 15% 8% Option D CP of bike = 75400maintenance cost = 2600total cost price of Bike = 75400 + 2600 = 78000profit = 89700 –…
Read MoreQuantitative Aptitude: Number Series Set 155
Directions : What will come in place of questions ( ? ) marks in the following number series ?8 , 46 , 80 , 110 , 136 , ? 168 158 208 425 384 Option B The series is (+ 38) , (+ 34) , (+ 30) , (+ 26) , (+ 22) 29 , 32 , 61 ,…
Read MoreQuantitative Aptitude: Time and Work Set 29
A alone can complete a piece of work in 15 days and B & C together can complete the same work in 8 1/3 days. B is 100% more efficient than C. How many days is required to complete the work if A and C work together ? 12 days 8 days 6 days 9 3/8 days 5 days Option…
Read MoreQuantitative Aptitude: Problems on Ages Set 22
A person is 30 years older than his son . After 6 years , the age of that person is four times the age of son that time. What is age of his son after 10 years from now ? 14 years 16 years 18 years 18 years 14.5 years Option A Let the age of his son = x…
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