320. In a three digit number, the hundred digit is 2 more than the tens digit and the units digit is 2 less than the tens digit. If the sum of the digits is 18, find the number? September 23, 2025 by Admin A. 975 B. 753 C. 642 D. 684 ✅ The correct answer is option E. None of these.
317. P and Q started a business with respective investments of Rs. 4 lakhs and Rs. 10 lakhs. As P runs the business, his salary is Rs. 5000 per month. If they earned a profit of Rs. 2 lakhs at the end of the year, then find the ratio of their earnings? September 23, 2025 by Admin A. 2 : 5 B. 5 : 2 C. 3 : 5 D. 1 : 1 ✅ The correct answer is option D. 1 : 1.
314. (i). a2 – 9a + 20 = 0, (ii). 2b2 – 5b – 12 = 0 to solve both the equations to find the values of a and b? September 23, 2025 by Admin A. If a < b B. If a ≤ b C. If the relationship between a and b cannot be established D. If a ≥ b ✅ The correct answer is option D. If a ≥ b.
311. A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank? September 23, 2025 by Admin A. 20 hrs B. 25 hrs C. 35 hrs D. Cannot be determined ✅ The correct answer is option C. 35 hrs.
308. In a ship the provisions are sufficient for 800 men for 50 days. How long will these be sufficient for if there would have been 200 more men? September 23, 2025 by Admin A. 40 B. 50 C. 30 D. 56 ✅ The correct answer is option A. 40.
306. A and B start a business with Rs.6000 and Rs.8000 respectively. Hoe should they share their profits at the end of one year? September 23, 2025 by Admin A. 1:2 B. 3:4 C. 2:5 D. 3:7 ✅ The correct answer is option B. 3:4.
In a rhombus whose area is 144 sq.cm on of its diagonals is twice as long as the other. The lengths of its diagonals are:_________? September 23, 2025 by Admin A. 24 cm,48cm B. 12cm,24cm C. 6√2cm,12√2cm D. 6cm,12cm ✅ The correct answer is option B. 12cm,24cm.
340. While selling the watch, a shopkeeper gives a discount of 5% if he gives a discount of 7 % he earns Rs. 15 less as profit. The marked price of the watch is: September 23, 2025 by Admin A. Rs. 697.50 B. Rs. 712.50 C. Rs. 787.50 D. None of these ✅ The correct answer is option D. None of these.
338. C takes 6 days to complete half of a work and D takes 5 days to complete 1/3rd of the same work. They take turns to complete the task. If C works for the first 4 days, in how many days will D complete the rest of the work without the help of C? September 23, 2025 by Admin A. 10 days B. 12 days C. 8 days D. 9 days ✅ The correct answer is option A. 10 days. Part of work completed by C in 1 day = 1/12 Part of work completed by D in 1 day = 1/15 Part of work completed by C in 4 days = 1/3 Work remaining = 2/3 Time taken by D to complete the work = (2/3)÷(1/15) = 10 days
336. Two pipes A and B can fill a cistern in 20 and 30 minutes respectively, and a third pipe C can empty it in 40 minutes. How long will it take to fill the cistern if all the three are opened at the same time? September 23, 2025 by Admin A. 19 1/7 min B. 15 1/7 min C. 17 1/7 min D. 7 1/7 min ✅ The correct answer is option C. 17 1/7 min.