A bowl contains a mixture of oil and water in the ratio of 8: 5. When 78 ml of mixture is taken out and 44 ml of water is added, the ratio of oil and water becomes 1: 2. How much quantity of oil paste does the bowl have initially? ...

If the LCM of two numbers is 169 and their sum is 65, then find the HCF. a)            7 b)            13 c)            5 ...

The weights of 6 girls are 14, 26, 28, 20, 35, 30. Find the median weight ? a)            22 b)            27 c)            19 d)            25 Sol: We would first arrange the given terms in ascending order 14, 20, 26, 28, 30, 35 Median = Median is the middle-most observation of the data. In ...

There are 3 taps, A, B and C, in a tank. These can fill the tank in 10 h, 20 h and 25 h, respectively. At first, all three taps are opened simultaneously. After 2 h, tap C is closed and tap A and B keep running. After 4 h, tap B is also closed. The remaining tank is filled by tap A alone. Find ...

Find the area of xyz, in which M, N, O are the mid points of the sides xy, yz and xz and the coordinates of M, N, O are (4, 5), (–2, –3) and (5, –2) respectively. a) 200 b) 150 c) 75 d) 100 Sol: =100

Mukesh invests Rs. 4,00,000 more than Tanu in a business Mukesh invests his capital for   more months than that of Tanu. Out of the total profit of 11,60,000 if share of Tanu is 2,32,000 less than the share of Ram’s then find the capital Tanu has invested. a) 40,00,000 b) 36,00,000 c) 34,00,000 ...

What is the fourth proportional of to 8, 24 and 87? a) 348 b) 194 c) 261 d) 184 Sol: Fourth proportional is

A man can cover a certain distance in 2 hours 41 minutes if he walks at the speed of 4 km/h. if he covers same distance on cycle at the rate of 23 km/h. then the time taken by him. in minutes? a)            30 min. ...

A can run 250 m in 25 sec and B in 30 sec. How many metres start can A give to Bina km race so that the race may end in a dead-heat? a) 133.33 b) 166.40 c) 155.55 d) 167.50 Sol: Given:  A can run 250 m in 25 sec and B in 30 seconds.  Calculations:  A can ...

Find the probability of selecting 2 green balls out of 4 green and 3 red balls. a) 6/7 b) 4/7 c) 3/7 d) 2/7 Sol:

A shopkeeper sells his items using a faulty balance which measures 25% less. He then marks up his items 15% above the cost price. If he also gives a discount of 10%, then find his net profit percentage on 1 kg items. a) 33% b) 38% c) 30% d) 45% Sol:

Select the option that is related to the fi fth term in the same way as the second term is related to the first term and the fourth term is related to the third term. FAN33 : ICO0 : : NAP23 : QCQ44 : : GUN12 : ? A.            JWO64 B.            JWO512 C.            JWO484 D.            JVO512 ...