Find x - 693.5 - (47.23 - x) - 82.48 = 8.172.

A man travels 420 kilometres in, partly by rail and partly by steamer. He spends 8 hours more time on steamer. If the velocity of the steamer is 35 km/hr and the velocity of rail is 65 km/hr, how much distance does he cover by steamer?

If cos - 300^o = x, then the value of x is

Rajat sells a machine for Rs 53 lakhs at a loss. Had he sold it for Rs 64 lakh, his gain would have been 10 times the former loss. Find the cost price of the machine.

The ratio of present ages of Rambha and Sarvesh is 8:5. After 7 years the ratio of their ages will be 5:4. What is Rambha's present age?

A can do a work in 15 days and B in 20 days. If they work on it together for 5 days, then what fraction of work is left?

A dishonest milkman buys milk at Rs 30 per litre and adds 1/5 of water to it and sells the mixture at Rs 32 per litre. What will be his gain?

If the radius of a circle is increased by 21%, then its area will increase by what percent?

A cylindrical capsule has hemispherical ends of the radii equal to radius of the cylindrical part. If length of the capsule is 40 m and radius 6 m, what is the total surface area of this capsule?

If 2cos²A - 1 = x , then the value of x is

The ratio of ages of father and son is 7:2. Five years ago the product of their ages was 150. What is the age of the father?

Three consecutive natural numbers are such that the square of the greatest is greater than the product of the other two by 19. The smallest of these numbers is

Deepanshu lent Rs. 8400 to Jaipal for 15 years and Rs. 5100 to Kareem for 14 years on simple interest at the same rate of interest and received Rs. 17766 in all from both of them as interest. The rate of interest per annum is

One tap can fill a water tank in 40 minutes and another tap can make the filled tank empty in 60 minutes. If both the taps are open, in how many hours will the empty tank be filled?

An amount of money at compound interest grows up to Rs. 3,840 in 4 years and up to Rs. 3,936 in 5 years. Find the rate of interest.

A boat covers 24 km upstream and 36 km downstream in 6 hours, while it covers 36 km upstream and 24 km down-stream in  hours. The speed of the current is

A man having height 169 cm is standing near a pole. He casts a shadow 130 cm long. What is the length of the pole if it gives a shadow 420 cm long?

A train, 150 m long, passes a pole in 15 seconds and another train of the same length travelling in the opposite direction in 12 seconds. The speed of the second train is

Directions: The distribution of fruit consumption in a sample of 72 seventeen year old girls is given in the graph below. Study the graph and answer the questions.

Distribution of fruit consumption

Serving of fruit per day

What percent of these girls ate six or more servings per day?

Directions: The distribution of fruit consumption in a sample of 72 seventeen year old girls is given in the graph below. Study the graph and answer the questions.

Distribution of fruit consumption

Serving of fruit per day

How many of these girls ate more than two servings but less than six servings per day?