For the following questions answer them individually
The cost of a washing machine is Rs.25,000. The cost was first increased by 20% and later on it was reduced by 20%. The present cost of the washing machine is:
Kapil, Mohan, and Raju can do a piece of work separately in 18, 36, and 54 days. They started the work together but Mohan left the work 8 days before the completion of work and Raju left the work 6 days before the completion of the work. Find the (approximate) time in which the work is completed.
Find the ratio in which rice at Rs.120 per kg is mixed with rice at Rs.155 per kg to get a mixture worth Rs.135 a kg.
Amol raised the price of their products by 20 percent. How much discount should they give so as to sell the products on no gain no loss basis?
The HCF of two numbers is 6 and their LCM is 253080. If one of the numbers is 4218, what is the second number?
Ramesh and Naresh start running on a circular track of length 1920 metres from the same point simultaneously in the same direction with speed of 40 m/sec and 64 m/sec. After how much time from the start will they meet for the first time anywhere on the track?
The highest common factor and the least common multiple of 432, 648 and 576 are ________ and ________, respectively
By selling a computer for Rs.26,000, a man gains 4%. If he sells the computer for Rs.19,000, then his loss will be:
Samreen and Garima completed a piece of work together in 8 days. If Samreen can complete the same work in 10 days working independently, in how many days will Garima complete the same work alone?
Which of the following fractions is the largest?
$$\frac{3}{5}, \frac{7}{10}, \frac{11}{15}, \frac{13}{20}$$