Question
Consider the following statements with reference to
Microliths: 1.They are applied to tools made on microblade or bladelets. 2.They are associated with the Mesolithic period. 3.They were too small to be used as tools individually. Which of the above is/are correct?Solution
The term 'microlith' is strictly to be applied only to tools made on microbladeor bladelets having a maximum length of 50 mm and a width of 12 mm or occasionally on small flakes, by blunting one or more margins by steep retouch. They are associated with the Mesolithic age. The technological hallmark of this period is tiny stone tools or 'microliths. Microliths were too small to be used as tools individually; instead, they were used as components of tools and weapons by being hafted in bone, wood or reed handles and shafts.
The average score obtained by 26 students in a class test is 68 marks. The top place was shared by 3 people who got the same score. If the lowest score ...
The average of 20 numbers is 75. The average of the first 12 numbers is 80, while the average of the last 11 numbers is 68. If the 12th number is remove...
Amit achieved a score of 28% in an exam but fell short by 42 points to pass. Rahul, on the other hand, secured 41% in the same test and exceeded the pas...
- The average salary of X, Y, and Z is Rs. 22000 and the average salary of P and Q is Rs. 15000. If the savings of X is 60% of the average salary of all five...
- The average of sixty numbers is 70 while the average of first thirty numbers and last thirty numbers is 75 and 85, respectively. Find the thirtieth term.
Ashish bought 25 notebooks for Rs.1230 from shop A and 12 notebooks for Rs.805 from shop B. What is the average price he paid per book?
- A student scored an average of 81 marks in his first 30 tests. In the next 10 tests, his average score was ‘x’ marks, and his overall average rose to 8...
- The average height of a group of 30 players was recorded as 168 cm. Later it was discovered that 172 was wrongly written as 182 and 160 was written as 150....
The combined average weight of 8 apples and 5 oranges is 150 grams. If the average weight of the apples is 180 grams, what is the average weight of the ...
The average weight of 25 students in a classroom was found to be 52 kg. Later, it was discovered that one student’s weight was taken as 59 kg instead ...