Vòng Quốc gia đề 1

According to the pattern shown, what number should go in the blank? 5, 9, 14, 20, 27, 35, (a)  

According to the letter pattern shown, what letter should fill the blank? P, o, N, n, L, m, J, (a)  

Alice needs 5 minutes to travel from home to the canteen. She can bring at most 3 takeaways each trip. At most how many takeaways can she bring home in 35 minutes?

(a)  

If 16th April, 2020 is Wednesday, which day of the week is 19th September, 2020?

(a)  

According to the pattern shown below, how many * is / are there in the

10th group


(a)  

Find the value of 256 + 369 + 248 + 352 + 244 + 331.

(a)  

Find the value of 38 + 83 + 27 + 72 + 65 + 56 + 14 + 41.

(a)  

Find the value of 38 × 23 + 19 × 30 + 38 × 12.

(a)  

What number should fill the blank to make the equation correct? (a)   ÷ 9 + 18 = 27

If A, B represent different 1-digit numbers, what is the maximum value of B if the equation is correct?

(a)