Answer Posted / v venu gopal

20km

Two trains are travelline at equilateral .Train A is travelling in the direction of earths spin.Other train B is travelling in opposite direction of earths spin.Which trains wheels will wear first?and why?

1108

---

A work is done by the people in 24 min. one of them can do this work a lonely in 40 min. how much time required to do the same work for the second person.

772

---

x + 4 y relation between x and y is x/2y = 3/2 ie x = 3y find the x -2y ratio

684

---

Two pencils costs 8 cents, then 5 pencils cost how much

821

---

A person was fined for exceeding the speed limit by 10 mph. Another person was also fined for exceeding same speed limit by twice the same. If the second person was travelling at a speed of 35 mph, find the speed

807

---

---

consider expression 'ab' . what happens when 'a' is divided by 'c' &'b' is multiplied by 'c'.

842

---

A boy asks the relation of two people walking along the street. One of them says that the lady walking with him is the daughter of his mother's only son. What is the relation between the two people?

682

---

A student gets 70% in one subject, 80% in the other. To get an overall of 75% how much should get in third subject.

758

---

Ram gets 148 marks for 20 questions. +10 for correct. -3 for wrong. How many correct answers?

852

---

The average of 4 consecutive even numbers is 27. What is the largest number?

711

---

the minimum of (2x+1)**2 + (x+2) is at x =

686

---

Find the correct meaning of the following phrase: To bite the dust

670

---

What is the smallest number by which 4880 must be divided in order to make it into a perfect square ?

735

---

there is a safe with a 5 digit No. The 4th digit is 4 greater than second digit, while 3rd digit is 3 less than 2nd digit. The 1st digit is thrice the last digit. There are 3 pairs whose sum is 11. Find the number.

836

---

A man can row downstream at a rate of 14 kmpl & upstream at 9 kmpl. Find man's rate in still water ?

878

---