The Total solution for NCERT class 6-12
Given:
An examinee can answera question either true or false, so there are two possibilities.
The number of ways foran examinee to answer a set of ten true/false type questions are: 2C1 × 2C1 × 2C1 × 2C1 × 2C1 × 2C1 × 2C1 × 2C1 × 2C1 × 2C1 =2×2×2×2×2×2×2×2×2×2 = 1024 ways