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In 3.5 Kg rod , there is 74% silver. If it is alloyed with a 0.5 Kg rod, the % of silver goes up to 84%. The percent of silver in 0.5 Kg rod?
in a railway station, there are tow trains going. One in the harbour line and one in the main line, each having a frequency of 10 minutes. the main line service starts at 5 o'clock. the harbour line starts at 5.02a.m. a man goes to the station every day to catch the first train. what is the probability of man catchinhg the first train
Which countries have two official national anthem ?
In base 10 representation for a rupee 100 paise,then base 8 representation what is rupee value?
A farmer has a farm square of 100 sq.m a cow is tied at one and with a rope of 10m length.assume pi-3.what is the area of land the cow can graze.
A can work three times as B can work. If A takes 60 days less than B to complete the same task, calculate the number of days when both A and B start working together on the same day.
There are 5 red shoes, 4 green shoes. If one draws randomly a shoe what is the probability of getting red shoe is ?
sir iam asking you assistant stastical officer previous question paper
Solve for x and y: 1/x - 1/y = 1/3, 1/x2 + 1/y2 = 5/9.
A&B fill 3 litres and 5 litres of oil in the car. C pays Rs. 8/- to A7B. How much will A get?
A son and father goes for boating in river upstream . After rowing for 1 mile son notices the hat of his fathe falling in the river. After 5 min. he tells his father that his hat has fallen. So they turn around and are able to pick the hat at the point from where they began boating after 5 min. Tell the speed of river.
2020201-565656=?
0.75 * 0.75 * 0.75 - 0.001 0.75*0.75-0.075+0.01
In Madras, temperature at noon varies according to -t^2/2 + 8t + 3, where t is elapsed time. Find how much temperature more or less in 4pm to 9pm.
three students appear in a test but no one write there name on answer sheet .and they submitted their sheet to teacher . when teacher distributed their answer sheet . what is probability that no one get their own answer sheet.
