Question
4Â Â Â Â Â 6Â Â Â Â Â Â 12Â Â Â Â Â 30
      90        310 Find the wrong number in the following number series.Solution
4 × 1.5 = 6 6 × 2 = 12 12 × 2.5 = 30 30 × 3 = 90 90 × 3.5 = 315
210 liters of oil was poured into a tank, which was still 30% empty. How much oil must be poured into the tank to fill it to the brim?Â
A merchant has 1200 kg of sugar, part of which he sells at 9% profit and the rest at 15% profit. He gains 11% on the whole. The quantity (in kg) sold at...
In what ratio, tea costing Rs 35 per kg should be mixed with tea costing Rs 28 per kg so that a profit of 20% is earned when the mixture is sold at Rs 3...
The least common multiple (LCM) of two prime numbers, 'a' and 'b', is given as 221, with 'a' being smaller than 'b'. Determine the value of 'b'.
The ratio of liquor and soda in a mixture of 70 liters is 3:2. How much liquor should be mixed to make the ratio 7:4?
Cost of two types of pulses is Rs.16 and Rs, 21 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
What distance will a wheel with a radius of 14 cm cover after completing 10 revolutions?
If (x - 5)2Â - (x + 5)2Â = 0, then what is the value of 'x'?
In what ratio coffee at 285 Rs/kg should be mixed with the coffee at 320 Rs/kg so that after mixture its rate become 300 Rs/kg if the quantity of 1st ty...
The scores achieved by P and Q in an examination are in a ratio of 9:4 respectively. If Q scores an additional 11 points, then P's score will be approxi...
Relevant for Exams:
