Directions (1-5): Two equations I and II are given below in each question. You have to solve these equations and give answer if
(a) if x<y
(b) if x> y
(c) if x≤ y
(d) if x≥ y
(e) if x= y or no relation can be established
Q6. Speed of boat to cover a distance in upstream is 40% of the boat to cover same distance in downstream. Find the speed of current if time taken to cover 280 km in upstream is 7 hours. (in km/hr)
Q7. In how many different ways the letter of words ‘MUBARAK’ be arranged so that both A’s never comes together?
Q8. Ayush and Akshay invested in the ratio 1/3 :2/5 in a scheme for a time period which is in the ratio 1/5:2/3. If the profit of Ayush is Rs. 550 then find difference in profit of Akshay & Ayush?
(a) Rs. 1350
(c) Rs. 1450
(d) Rs. 1650
(e) Rs. 1550
Q9. Simple interest for a period of two years is Rs. 2400. If difference of CI and SI for same period is Rs. 300. Then find the rate of interest. [Amount given in each case is same & rate is also same].
Q10. The curved surface area of cylinder is 616 cm² and radius of cylinder is half the height of cylinder. Find the area of rectangle if length & breadth of rectangle is equal to height & radius of cylinder?
(a) 98 cm²
(b) None of these
(c) 256 cm²
(d) 196 cm²
(e) 144 cm²