Get Started with ixamBee
Start learning 50% faster. Sign in now
Get Started with ixamBee
Start learning 50% faster. Sign in nowLet speed of downstream and speed of stream be 5x and 2x respectively. Speed of current => 2x = 4 => x = 2 km/hr Downstream speed = 5 × 2 = 10 km/h Speed of boat = 10 - 2 = 8 km/hr Upstream speed = 8 - 2 = 6 km/h Distance travelled upstream in 6 hr = 6 × 6 = 36 km
The average of six numbers is 66. When two more numbers are included, the average increases by 2. Find the average of the numbers included.
The average age of 4 children in a family is 30% of the average age of the mother and the youngest child. The total age of the father and the eldest chi...
A student has two types of markers: Marker A priced at $3 each and Marker B priced at $5 each. If the student purchases a total of 12 markers, with an a...
Average run scored by a batsman in first ‘x’ matches is 43. In next 14 matches he scored runs with an average of 63 so that his overa...
Average of four numbers is 20. Sum of smallest and largest number is 50. If difference between other two numbers is 2, then find the square of second sm...
A cricketer scored an average of 80 runs per match in the first 22 matches. In his next 8 matches, he scored runs with an average of ‘x’ runs per ma...
Out of three numbers the average of the first and the second number is 37 more than the average of the second and the third number. What is the differen...
The average mark obtained by 160 candidates in a certain examination is 60. If the average marks of passed candidates are 65 and that of the failed cand...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 62.5 while average of last 5 numbers is 84.8 and 13th, 14th...
