৩১৯৮২
The price of raw meterials had gone up by 15% labor cost has also increased from 25% of the cost of ras material to 30% of the cost of raw material. By how much percentage should there be reduction in the usage of raw materials so as to keep the cost same?
উত্তর
17%
৩১৯৮৪
৩০০ মিলি লিটারের মিশ্রণে ১২% লবণ আছে, যদি এর সাথে ২০০ মিলি লিটার পানি মেশানো হয় নতুন মিশ্রণে লবণের পরিমাণ কত শতাংশ?
উত্তর
7.2%
৩১৯৮৫
Sue planted 4 times as many apple seeds as she planted orange seeds. 15% of the apple seeds grew into trees, and 10% of the orange seeds grew into trees. If a total of 420 apple trees and orange trees grew from the seeds, how many orange seeds did Sue plant?
উত্তর
600
৩১৯৮৬
Equal amounts of water were proured into two empty jars of different capacities, which made one jar 1/4 full and the other jar 1/3 full. If the water in the with the lesser capacity is then poured into the jar the greater capacity, What fraction of the larger jar will be filled with water?
উত্তর
1/2
৩১৯৮৭
১৫০ মিটার দীর্ঘ একটি ট্রেন ৪৫০ মিটার দীর্ঘ প্ল্যাটফর্ম ২০ সেকেন্ডে অতিক্রম করে। ট্রেনটির গতিবেগ ঘন্টায় কত কিলোমিটার?
উত্তর
108
৩১৯৮৮
In a certain town, the ratio of the number of rented residences to the number of owned residences is 7: 4. Those are the only two kinds of residences in this town. If there are 150 more rented than owned residences in this town, what is the total number of residences in the town?
উত্তর
550
৩১৯৮৯
Two bikes start at he same time from two destination 200 km apart and traved towards each other. If they cross each other at a distance of 130 km from one of the destination, what is the ratio of their speeds?
উত্তর
17:13